Nanotechnologies: Overview and Issues -- Biokinetics and Effects of Nanoparticles -- Nanoparticle Exposure and Systemic/Cardio Vascular Effects – Experimental Data -- Pulmonary Effects of Single-Walled Carbon Nanotubes: Inflammatory Response, Oxidative Stress/Signaling, and Recognition by Macrophages -- Inhalation of Nanomaterials: Short Overview of the Local and Systemic Effects -- Interactions of Organic Compounds with Mineral Particles, and the Detection of Cell Components in Bacteria by Spectroscopic Methods – Connections to Nanoscience -- Toxicity of Polymeric Nanoparticles with Respect to their Application as Drug Carriers -- Risk Assessment Approaches and Research Needs for Nanomaterials: An Examination of Data and Information from Current Studies -- Risk Assessment Related to Nanotechnology: Environmental and Policy–Making -- Needs for Regulations, Training, and Education for Health Protection and Environmental Security of Nanotechnologies -- Bioethics and Legal Aspects of Potential Health and Environmental Risks of Nanotechnology -- Nanotechnology – The Frame of Worker Training, Public Education, and Participation -- Use of Membrane Filtration for Water Treatment with Examples from the Republic of Macedonia -- Current State of Nanostructured TiO2-based Catalysts: Preparation Methods -- Evaluation of Mean Diameter values using Scherrer Equation Applied to Electron Diffraction Images -- Occupational Risk Assessment and Management: Focus on Nanomaterials -- Approaches in Environmental Ecotoxicology -- Particle Exposure Through the Indoor Air Environment.